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fq/format/postgres/pg_heap.go
2022-10-07 14:17:04 +03:00

70 lines
1.4 KiB
Go

package postgres
import (
"embed"
"github.com/wader/fq/format/postgres/common/pg_heap/pgproee"
"github.com/wader/fq/format/postgres/common/pg_heap/postgres"
"github.com/wader/fq/format"
"github.com/wader/fq/pkg/decode"
"github.com/wader/fq/pkg/interp"
)
// TO DO
// oom kill on 1 GB file
//go:embed pg_heap.md
var pgHeapFS embed.FS
func init() {
interp.RegisterFormat(decode.Format{
Name: format.PG_HEAP,
Description: "PostgreSQL heap file",
DecodeFn: decodePgheap,
DecodeInArg: format.PostgresHeapIn{
Flavour: PG_FLAVOUR_POSTGRES14,
PageNumber: 0,
SegmentNumber: 0,
},
RootArray: true,
RootName: "pages",
})
interp.RegisterFS(pgHeapFS)
}
func decodePgheap(d *decode.D, in any) any {
d.Endian = decode.LittleEndian
pgIn, ok := in.(format.PostgresHeapIn)
if !ok {
d.Fatalf("DecodeInArg must be PostgresIn!\n")
}
switch pgIn.Flavour {
case PG_FLAVOUR_POSTGRES10,
PG_FLAVOUR_POSTGRES11,
PG_FLAVOUR_POSTGRES12,
PG_FLAVOUR_POSTGRES13,
PG_FLAVOUR_POSTGRES14,
PG_FLAVOUR_PGPRO10,
PG_FLAVOUR_PGPRO11,
PG_FLAVOUR_PGPRO12,
PG_FLAVOUR_PGPRO13,
PG_FLAVOUR_PGPRO14:
return postgres.DecodeHeap(d, pgIn)
case PG_FLAVOUR_PGPROEE10,
PG_FLAVOUR_PGPROEE11,
PG_FLAVOUR_PGPROEE12,
PG_FLAVOUR_PGPROEE13,
PG_FLAVOUR_PGPROEE14:
return pgproee.DecodeHeap(d, pgIn)
default:
break
}
return postgres.DecodeHeap(d, pgIn)
}